एपीए उद्धरण

Roberts, J. M. (1996). The shorter history of world. Oxford: Helicon.

शिकागो स्टाइल उद्धरण

Roberts, J. M. The Shorter History of World. Oxford: Helicon, 1996.

एमएलए उद्धरण

Roberts, J. M. The Shorter History of World. Oxford: Helicon, 1996.